Portable display device



FIG. 1 is a front elevation view of the claimed design;

FIG. 2 is a rear elevation view thereof including a stand in the up position;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a rear view thereof including the stand in the down position;

FIG. 8 is a front perspective view thereof including the stand in the down position;

FIG. 9 is a reduced right side elevational view thereof including the stand in a first position;

FIG. 10 is a reduced right side elevational view thereof including the stand in a second position; and,

FIG. 11 is a reduced right side elevational view thereof including the stand in a third position.

The broken lines immediately adjacent the shaded areas represent the bounds of the claim, while all other broken lines are directed to environment and are for illustrative purposes only; the broken lines form no part of the claimed design. 

CLAIM We claim the ornamental design for a portable display device, as shown and described. 